We've all heard the term Neanderthal. For most of us it brings to mind images of a hunched over, ape-like man covered in hair. But, is this an accurate depiction?

Before we can really dig deeper into the theory of human evolution and examine the fossil record, we must discuss the basics and make sure we are on the same page.

What is does Carbon-14 dating entail? Is this a reliable method? These are just some of the questions we'll be exploring this episode.

Join me as we examine Uranium-Thorium dating. We will discuss whether it really is a better method than Potassium-Argon dating, and what weaknesses it may have.

Today we look at what Potassium-Argon dating really is and the potential problems with this method.